What is the structure of the digestive system?

The Digestive System is the 'alimentary canal and its associated glands, the salivary glands, the liver and the pancreas.' (Boyle and Senior, 2008: 131). Pass your exams or refresh yourself by reading the extended answer here.

What sizes of cannulas are there?

The largest number is the smallest cannula. Cannulas range from the 26g purple to the 14g orange. As a list: - 26g purple - 24g yellow - 22g Blue - 20g Red - 18g Green - 16g Grey - 14g Orange